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Seattle → Philadelphia

Nov 21, 2026 · return Dec 5, 2026

SEA → PHL1 adulteconomyRound trip

10 flight options · 4 airlines

Nonstop flights

Sat, Nov 21 – Sat, Dec 5

Alaska Airlines
9:34 pmSEA
5h 6m
Nonstop
5:40 am+1PHL
Alaska Airlines
6:46 pmPHL
6h 10m
Nonstop
9:56 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

American Airlines
11:17 pmSEA
5h 2m
Nonstop
7:19 am+1PHL
American Airlines
6:48 pmPHL
6h 29m
Nonstop
10:17 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

Alaska Airlines
9:05 amSEA
5h 3m
Nonstop
5:08 pmPHL
Alaska Airlines
6:46 pmPHL
6h 10m
Nonstop
9:56 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

American Airlines
12:42 pmSEA
5h 2m
Nonstop
8:44 pmPHL
American Airlines
6:48 pmPHL
6h 29m
Nonstop
10:17 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Nov 21 – Sat, Dec 5

Southwest Airlines
6:30 amSEA
7h
MDW · 1h 10m
4:30 pmPHL
Southwest Airlines
6:20 pmPHL
8h 15m
MDW · 1h 10m
11:35 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

Delta Air Lines
6:00 amSEA
7h 35m
DTW · 1h 47m
4:35 pmPHL
Delta Air Lines
7:15 amPHL
8h 21m
SLC · 1h
12:36 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

Alaska Airlines
11:40 pmSEA
7h 10m
ORD · 1h 8m
9:50 am+1PHL
Alaska Airlines
6:46 pmPHL
6h 10m
Nonstop
9:56 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

Delta Air Lines
1:50 pmSEA
7h 4m
MSP · 1h 9m
11:54 pmPHL
Delta Air Lines
7:15 amPHL
8h 21m
SLC · 1h
12:36 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

Delta Air Lines
10:40 pmSEA
7h 51m
ATL · 1h 18m
9:31 am+1PHL
Delta Air Lines
7:15 amPHL
8h 21m
SLC · 1h
12:36 pmSEA

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Sat, Dec 5

Delta Air Lines
9:38 pmSEA
5h 5m
Nonstop
5:43 am+1PHL
Delta Air Lines
7:15 amPHL
8h 21m
SLC · 1h
12:36 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ PHL

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-21 → 2026-12-05Alaska AirlinesAS371 / AS443$464.132026-10-29T01:16:02Z
2026-11-21 → 2026-12-05American AirlinesAA2500 / AA2500$481.752026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Southwest AirlinesWN1550 + WN1623 / WN2108 + WN3032$428.882026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Delta Air LinesDL812 + DL1391 / DL2023 + DL2995$446.502026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Alaska AirlinesAS442 / AS443$464.132026-10-29T01:16:02Z
2026-11-21 → 2026-12-05American AirlinesAA467 / AA2500$481.752026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Alaska AirlinesAS328 + AA970 / AS443$437.132026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Delta Air LinesDL942 + DL2703 / DL2023 + DL2995$446.502026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Delta Air LinesDL567 + DL1100 / DL2023 + DL2995$446.502026-10-29T01:16:02Z
2026-11-21 → 2026-12-05Delta Air LinesDL1114 / DL2023 + DL2995$480.252026-10-29T01:16:02Z

2026-11-21 → 2026-12-05 · $464.13

  • Alaska Airlines AS371: SEA 2026-11-21 21:34:00 → PHL 2026-11-22 05:40:00; nonstop; 306 minutes. Local airport times.
  • Alaska Airlines AS443: PHL 2026-12-05 18:46:00 → SEA 2026-12-05 21:56:00; nonstop; 370 minutes. Local airport times.

2026-11-21 → 2026-12-05 · $481.75

  • American Airlines AA2500: SEA 2026-11-21 23:17:00 → PHL 2026-11-22 07:19:00; nonstop; 302 minutes. Local airport times.
  • American Airlines AA2500: PHL 2026-12-05 18:48:00 → SEA 2026-12-05 22:17:00; nonstop; 389 minutes. Local airport times.

2026-11-21 → 2026-12-05 · $428.88

  • Southwest Airlines WN1550 / WN1623: SEA 2026-11-21 06:30:00 → PHL 2026-11-21 16:30:00; 1 stop(s) via MDW; 420 minutes. Local airport times.
    • WN1550: SEA 2026-11-21 06:30:00 → MDW 2026-11-21 12:25:00; layover at MDW: 70 minutes.
    • WN1623: MDW 2026-11-21 13:35:00 → PHL 2026-11-21 16:30:00.
  • Southwest Airlines WN2108 / WN3032: PHL 2026-12-05 18:20:00 → SEA 2026-12-05 23:35:00; 1 stop(s) via MDW; 495 minutes. Local airport times.
    • WN2108: PHL 2026-12-05 18:20:00 → MDW 2026-12-05 19:35:00; layover at MDW: 70 minutes.
    • WN3032: MDW 2026-12-05 20:45:00 → SEA 2026-12-05 23:35:00.

2026-11-21 → 2026-12-05 · $446.50

  • Delta Air Lines DL812 / DL1391: SEA 2026-11-21 06:00:00 → PHL 2026-11-21 16:35:00; 1 stop(s) via DTW; 455 minutes. Local airport times.
    • DL812: SEA 2026-11-21 06:00:00 → DTW 2026-11-21 13:12:00; layover at DTW: 107 minutes.
    • DL1391: DTW 2026-11-21 14:59:00 → PHL 2026-11-21 16:35:00.
  • Delta Air Lines DL2023 / DL2995: PHL 2026-12-05 07:15:00 → SEA 2026-12-05 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
    • DL2023: PHL 2026-12-05 07:15:00 → SLC 2026-12-05 10:15:00; layover at SLC: 60 minutes.
    • DL2995: SLC 2026-12-05 11:15:00 → SEA 2026-12-05 12:36:00.

2026-11-21 → 2026-12-05 · $464.13

  • Alaska Airlines AS442: SEA 2026-11-21 09:05:00 → PHL 2026-11-21 17:08:00; nonstop; 303 minutes. Local airport times.
  • Alaska Airlines AS443: PHL 2026-12-05 18:46:00 → SEA 2026-12-05 21:56:00; nonstop; 370 minutes. Local airport times.

2026-11-21 → 2026-12-05 · $481.75

  • American Airlines AA467: SEA 2026-11-21 12:42:00 → PHL 2026-11-21 20:44:00; nonstop; 302 minutes. Local airport times.
  • American Airlines AA2500: PHL 2026-12-05 18:48:00 → SEA 2026-12-05 22:17:00; nonstop; 389 minutes. Local airport times.

2026-11-21 → 2026-12-05 · $437.13

  • Alaska Airlines AS328 / AA970: SEA 2026-11-21 23:40:00 → PHL 2026-11-22 09:50:00; 1 stop(s) via ORD; 430 minutes. Local airport times.
    • AS328: SEA 2026-11-21 23:40:00 → ORD 2026-11-22 05:37:00; layover at ORD: 68 minutes.
    • AA970: ORD 2026-11-22 06:45:00 → PHL 2026-11-22 09:50:00.
  • Alaska Airlines AS443: PHL 2026-12-05 18:46:00 → SEA 2026-12-05 21:56:00; nonstop; 370 minutes. Local airport times.

2026-11-21 → 2026-12-05 · $446.50

  • Delta Air Lines DL942 / DL2703: SEA 2026-11-21 13:50:00 → PHL 2026-11-21 23:54:00; 1 stop(s) via MSP; 424 minutes. Local airport times.
    • DL942: SEA 2026-11-21 13:50:00 → MSP 2026-11-21 19:11:00; layover at MSP: 69 minutes.
    • DL2703: MSP 2026-11-21 20:20:00 → PHL 2026-11-21 23:54:00.
  • Delta Air Lines DL2023 / DL2995: PHL 2026-12-05 07:15:00 → SEA 2026-12-05 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
    • DL2023: PHL 2026-12-05 07:15:00 → SLC 2026-12-05 10:15:00; layover at SLC: 60 minutes.
    • DL2995: SLC 2026-12-05 11:15:00 → SEA 2026-12-05 12:36:00.

2026-11-21 → 2026-12-05 · $446.50

  • Delta Air Lines DL567 / DL1100: SEA 2026-11-21 22:40:00 → PHL 2026-11-22 09:31:00; 1 stop(s) via ATL; 471 minutes. Local airport times.
    • DL567: SEA 2026-11-21 22:40:00 → ATL 2026-11-22 06:12:00; layover at ATL: 78 minutes.
    • DL1100: ATL 2026-11-22 07:30:00 → PHL 2026-11-22 09:31:00.
  • Delta Air Lines DL2023 / DL2995: PHL 2026-12-05 07:15:00 → SEA 2026-12-05 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
    • DL2023: PHL 2026-12-05 07:15:00 → SLC 2026-12-05 10:15:00; layover at SLC: 60 minutes.
    • DL2995: SLC 2026-12-05 11:15:00 → SEA 2026-12-05 12:36:00.

2026-11-21 → 2026-12-05 · $480.25

  • Delta Air Lines DL1114: SEA 2026-11-21 21:38:00 → PHL 2026-11-22 05:43:00; nonstop; 305 minutes. Local airport times.
  • Delta Air Lines DL2023 / DL2995: PHL 2026-12-05 07:15:00 → SEA 2026-12-05 12:36:00; 1 stop(s) via SLC; 501 minutes. Local airport times.
    • DL2023: PHL 2026-12-05 07:15:00 → SLC 2026-12-05 10:15:00; layover at SLC: 60 minutes.
    • DL2995: SLC 2026-12-05 11:15:00 → SEA 2026-12-05 12:36:00.

More dates for this route